Except the wheel will allow movement in one axis, while the bowling ball
allows movement in two axis. If you are thinking that the big moment arm
of
the tail section hanging out in a high wind could create the twist on
the
wheel in the other axis, then the physics would indeed, be a bit closer
to
the bowling ball. However, the monowheel still ties the plane down on
the
ground laterally.
I don=92t think I would want to try the bowling ball experiment. I am
not sure
I would be able to do it. I would definitely need to take lessons on how
to
=91land=92 that one!
Greg Fuchs
Tri-gear (A050)
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Garry
Sent: Tuesday, June 12, 2007 11:57 AM
Subject: Re: Europa-List: builder test flying his own creation?
To get a handle on the concept of landing a monowheel, I suggest taking
a
bowling ball and laying a sheet of plywood 4' X 4' on top of the bowling
ball. Then try to stand up on the plywood. The physics are identical.
Garry Stout
Trigear
----- Original Message -----
From: karelvranken <mailto:karelvranken@hotmail.com>
Sent: Tuesday, June 12, 2007 1:58 PM
Subject: Re: Europa-List: builder test flying his own creation?
Mike and all,
Where are the instructors to explain why the Europa is different and
difficult to land especially on hard runways with cross wind? We until
now
hear only warnings. I hope there will come a discussion why it so
different
even for a taildragger.
Karel Vranken, #447 Mono XS 912ULS Airmaster CS, only 37 hours on
F-PKRL,
first flight by myself with 3800 hours half of wich on taildragger.
----- Original Message -----
From: Mike Parkin <mailto:mikenjulie.parkin@btopenworld.com>
Sent: Monday, June 11, 2007 11:17 PM
Subject: Re: Europa-List: builder test flying his own creation?
OK Guys,
You can talk your way around this subject until you are blue in the face
!!!! I am sure the sense of achievement is enhanced beyond measure -
and
it is the individual owners own choice.
But be very clear, I don't care what your experience is - but if you
test
fly your own monowheel without a reasonable amount of experience on type
you
are placing all your hard work at the mercy of your overconfidence/ego.
It
is entirely up to the individual.
Perhaps I am underconfident these days and I have flown a few things
between
Slingsby Swallow thru Chipmunk on the slow side to F15 on the fast side,
and
it is very obvious to me and what has happened to different individuals
over
recent years that an inexperienced europa builder flying his own pride
and
joy is putting himself and his creation at an increased risk - that's
all.
Ya pays ya money and ya takes ya chance. (But please do not cause my
insurance to increase.)
regards,
Mike
----- Original Message -----
From: Niels Kock <mailto:nielskock@get2net.dk>
Sent: Monday, June 11, 2007 9:29 PM
Subject: Re: Europa-List: builder test flying his own creation?
Hello, Tom.
You are right. The ground loop was last Saturday, and my first flight
,which
I had no qualms about and which went just fine, was exacty 8 years ago.
And your last paragraph is my point exactly, because no matter how
extensively your Europa has been test flown by another person, your
first
flight will still be your first flight.
But I think - if I am not remembering wrong - that Graham and Paul
Mcallister's poin was that the safest way was to have some experienced
hand
at your side initially.
Niels
----- Original Message -----
From: Tom Friedland <mailto:96victor@gmail.com>
Sent: Monday, June 11, 2007 5:15 AM
Subject: Re: Europa-List: builder test flying his own creation?
Hi Niels
I am sorry to hear about your ground loop. I don't understand your
regrets
about doing your first flight. Evidently that was ok and you had the
loop
problem on a subsequent flight. Is that correct?
If someone else had done the first flight and you flew afterward, would
you
not have been just as likely to have the aircraft get away from you?
What am I missing here?
Tom Friedland, A 079, N96V
On 6/10/07, Niels Kock <nielskock@get2net.dk> wrote:
<mailto:nielskock@get2net.dk> >
Mike,
It just proves that one cannot rely on one's own experience alone, but
should benefit from those of others, before opening one's big mouth.
The message is that what is true for some is not for others.
regards,
Niels
----- Original Message -----
From: "Mike Parkin" <mikenjulie.parkin@btopenworld.com>
Sent: Saturday, June 09, 2007 10:14 PM
Subject: Re: Europa-List: builder test flying his own creation?
> <mikenjulie.parkin@btopenworld.com>
>
> What I mean is that
> 1. All Europas having been cleared by their inspectors will, almost
per
> definition, be
> well behaving when airborne.
> 2. I seriously doubt that an eventual accompanying flying-instructor
can
> prevent a ground
> loop if the builder has initiated one. The extra weight of the
> instructor only increases the
> inertia.
> 3. The ongoing horror stories about the proneness of the mono to
> groundloop are, I feel, somewhat
> exaggerated, and, what is worse, they will unavoidably add to the
> likely pre-take off apprehension
> of the builder. Which may increase his concentration, but as
likely
> will deteriorate his flying perfor-
> mance. And weeks or months of waiting for the availability of a
> suitable test pilot serves
> only to increase the apprehension .
> 4. Finally, one should not ignore the significance of the marvellous
> moment where you yourself take
> that blasted, expensive, beautiful toy, gestated, perhaps, in
spite of
> your wife's silent misgivings,
> aloft for the very first time. And,afterwards, having parked and
shut
> down the engine, can lean back,
> shut your eyes and enjoy one of the rare moments in life, where
you
> are truly in awe.
>
>
> Niels,
>
> Just goes to show how wrong you can be. You are not the first and you
> will not be the last. I didn't test fly my mono, but with a good
measure
> of overconfidence in a 20 knot crosswind, it bit me also.
>
> At least you are safe and just have the embarrassment of paying for a
new
> prop.
>
> How would you now modify your previous statements -- repeated
> above.
>
> regards,
>
> Mike
>
>
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